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Author

Pengfei Yao

3 papers indexed here

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Preprint Oct 2026

SkillRep: Characterizing and Understanding the Representation Design Space of Agent Skill Retrieval

Retrieving the right skill from a large library is essential for LLM agents, yet requests and skills are written for different purposes and in different words. Existing retrievers narrow this request-skill gap with one or two representation choices each, so it is unknown whether their gains hold in combination. No prio...

Tian-Yi Sun, Peng-Fei Yao, Yan-Ze Wang et al. · 0 citations
Jul 2026

SkillCorpus: Consolidating and Evaluating the Open Skill Ecosystem for Real-World LLM Agents

SkillCorpus is, to the authors' knowledge, the first end-to-end account of when a curated, retrieval-served community corpus improves real agent tasks, and where it does not, and is evaluated end-to-end across three benchmarks.

Yanze Wang, Pengfei Yao, Tian-Yi Sun et al. · 1 citation
Jul 2026

EvoAgentBench: Benchmarking Agent Self-Evolution via Ability Transfer

EvoAgentBench is introduced, a benchmark for agent self-evolution via Ability-guided transfer across four agentic domains: web research, algorithmic reasoning, software engineering, software engineering, and knowledge work, which shifts self-evolution evaluation from aggregate accuracy comparison to fine-grained diagno...

Xingze Gao, Chuanrui Hu, Hongda Chen et al. · 7 citations · ⚡2

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